At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain. We provide expert, sustainable solutions in records and information management, digital transformation services, data centers, asset lifecycle management, and fine art storage, handling, and logistics. We proudly partner every day with our 225,000 customers around the world to preserve their invaluable artifacts, extract more from their inventory, and protect their data privacy in innovative and socially responsible ways. Are you curious about being part of our growth story while evolving your skills in a culture that will welcome your unique contributions? If so, let's start the conversation. Iron Mountain is seeking an analytical UKI Cost Controller to join our Controlling & Accounting team. In this role, you’ll play a key part in safeguarding the financial integrity of our United Kingdom & Ireland operations, ensuring our facilities and operational expenditures run with precision and transparency. Based in Hungary, you will have the opportunity to bring clarity to complex cost structures, partnering across regions to elevate our financial controls and accounting rigor. Here, your sharp eye for detail will directly reinforce the trusted foundation that enables our business to operate seamlessly and responsibly every day. What You’ll Do (Responsibilities) In this role, you will Financial Performance & Reporting: Review and reconcile monthly performance data from local accounting systems to group consolidation tools, delivering accurate, error-free reporting within strict US reporting timelines. Facilities Cost Analysis: Monitor, analyze, and report on key facility expenditures—including rent, utilities, maintenance, and security—while preparing monthly and quarterly budget variance analyses. Balance Sheet Governance: Manage facility-related balance sheet accounts, prepayments, and accruals, conducting regular account reconciliations to ensure appropriate cost center and project allocations. Internal Controls & SOX Compliance: Support the design, risk monitoring, and certification of SOX internal controls across UKI entities, helping identify and resolve potential accounting discrepancies. Stakeholder & Vendor Collaboration: Coordinate with third-party service providers, external auditors, and tax consultants to support statutory financial statements and ensure alignment with both Local GAAP and US GAAP. What You’ll Bring (Skills & Qualifications) The ideal candidate will have: Professional accounting qualification (Chartered Accountant, ACCA, CPA, or equivalent local certification). Solid experience managing General Ledger close processes within a multinational corporation or shared service environment. Strong knowledge of US GAAP, IFRS, and SOX internal control frameworks. Practical background in preparing statutory accounts, managing balance sheet reconciliations, and understanding local taxation (including VAT). Collaborative problem-solving mindset with the confidence to communicate effectively across matrixed, regional teams. What We Offer (Benefits) Competitive compensation and benefits aligned with experience. Flexible work options/alternative work options to support work–life balance. Comprehensive health, wellness, and retirement plans. Opportunities for continuous learning and professional growth. If you are ready to take ownership of regional cost controlling and make an impact within a collaborative global team, we invite you to apply today. Category: Finance Iron Mountain is a global leader in storage and information management services trusted by more than 225,000 organizations in 60 countries. We safeguard billions of our customers’ assets, including critical business information, highly sensitive data, and invaluable cultural and historic artifacts. Take a look at our history here. Iron Mountain helps lower cost and risk, comply with regulations, recover from disaster, and enable digital and sustainable solutions, whether in information management, digital transformation, secure storage and destruction, data center operations, cloud services, or art storage and logistics. Please see our Values and Code of Ethics for a look at our principles and aspirations in elevating the power of our work together. If you have a physical or mental disability that requires special accommodations, please let us know by sending an email to [email protected]. See the Supplement to learn more about Equal Employment Opportunity.

UKI Cost Controller.

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